Microspot test methods and field test kit for on-site inspections of chemical agents
First Claim
1. A method of detecting the presence of chemical warfare a gents, precursors and degradation products thereof, consisting of:
- contacting a liquid sample suspected of containing a member of the group consisting of chemical warfare agents, chemical warfare agent precursors, chemical warfare agent degradation products and mixtures thereof with a sufficient amount of a chromnatographic adsorbent material and a sufficient amount of a chromogemic detector reagent, wherein said contacting comprises applying said sample via a microcapillary tube to said chromatographic adsorbent,whereby a chromogenic indicator is formed when said sample contains said member of said group.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods of rapidly detecting the presence of chemical warfare agents, cheal warfare agent precursors and degradation products thereof are disclosed. The methods are useful, for example, in screening chemical sample unknowns in Chemical Warfare Convention (CWC) inspections. The methods include contacting a sample suspected of containing chemical warfare agents, precursors, chemical warfare agent degradation products and mixtures thereof with a sufficient amount of a chromatographic adsorbent material and a sufficient amount of a chromogenic detector reagent whereby a chromogenic indicator is formed when the sample contains chemical warfare agent, precursors or degradation product thereof. A kit useful for carrying out the method is also disclosed. The test methods can be used, either alone or in combination with thin-layer chromatography, to provide presumptive evidence for CWC analytes without actually identifying any of the components of the samples.
26 Citations
26 Claims
-
1. A method of detecting the presence of chemical warfare a gents, precursors and degradation products thereof, consisting of:
-
contacting a liquid sample suspected of containing a member of the group consisting of chemical warfare agents, chemical warfare agent precursors, chemical warfare agent degradation products and mixtures thereof with a sufficient amount of a chromnatographic adsorbent material and a sufficient amount of a chromogemic detector reagent, wherein said contacting comprises applying said sample via a microcapillary tube to said chromatographic adsorbent, whereby a chromogenic indicator is formed when said sample contains said member of said group. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
-
14. A kit for chromogenically detecting the presence of chemical warfare agents and degradation products thereof, consisting of:
-
(a) microcaapilIary tube means for applying a liquid sample suspected of containing a member of the group consisting of chemical warfare agents, precursors and chemical warfare agent degradation products and mixtures thereof; (b) a sufficient amount of a chromatographic adsorbent material; and (c) a sufficient amount of a chromogenic detector reagent. - View Dependent Claims (15, 16)
-
Specification